* [PATCH v2] ARM: at91/dt: sam9263: Add ac97 device node
[not found] ` <1418241578-17049-1-git-send-email-alexanders83-S0/GAf8tV78@public.gmane.org>
@ 2014-12-10 19:59 ` Alexander Stein
2014-12-10 19:59 ` [PATCH v2] dt: atmel_ac97c: Add device tree documentation Alexander Stein
1 sibling, 0 replies; 2+ messages in thread
From: Alexander Stein @ 2014-12-10 19:59 UTC (permalink / raw)
To: Andrew Victor, Nicolas Ferre, Jean-Christophe Plagniol-Villard,
Russell King
Cc: Alexander Stein,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA, Alexandre Belloni,
Arnd Bergmann
Signed-off-by: Alexander Stein <alexanders83-S0/GAf8tV78@public.gmane.org>
---
arch/arm/boot/dts/at91sam9263.dtsi | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index 26ce9d9..c12b206 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -692,6 +692,16 @@
};
};
+ ac97 {
+ pinctrl_ac97: ac97-0 {
+ atmel,pins =
+ <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB12 periph A AC97FS pin */
+ AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB13 periph A AC97CK pin */
+ AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB14 periph A AC97TX pin */
+ AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB14 periph A AC97RX pin */
+ };
+ };
+
pioA: gpio@fffff200 {
compatible = "atmel,at91rm9200-gpio";
reg = <0xfffff200 0x200>;
@@ -820,6 +830,17 @@
status = "disabled";
};
+ ac97: sound@fffa0000 {
+ compatible = "atmel,atmel_ac97c";
+ reg = <0xfffa0000 0x4000>;
+ interrupts = <18 IRQ_TYPE_LEVEL_HIGH 5>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ac97>;
+ clocks = <&ac97_clk>;
+ clock-names = "ac97_clk";
+ status = "disabled";
+ };
+
macb0: ethernet@fffbc000 {
compatible = "cdns,at32ap7000-macb", "cdns,macb";
reg = <0xfffbc000 0x100>;
--
2.2.0
--
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^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH v2] dt: atmel_ac97c: Add device tree documentation
[not found] ` <1418241578-17049-1-git-send-email-alexanders83-S0/GAf8tV78@public.gmane.org>
2014-12-10 19:59 ` [PATCH v2] ARM: at91/dt: sam9263: Add ac97 device node Alexander Stein
@ 2014-12-10 19:59 ` Alexander Stein
1 sibling, 0 replies; 2+ messages in thread
From: Alexander Stein @ 2014-12-10 19:59 UTC (permalink / raw)
To: Rob Herring, Pawel Moll, Mark Rutland, Ian Campbell, Kumar Gala
Cc: Alexander Stein, devicetree-u79uwXL29TY76Z2rM5mHXA,
Alexandre Belloni, Arnd Bergmann
This adds the bindings for AC97 controller device tree support.
Signed-off-by: Alexander Stein <alexanders83-S0/GAf8tV78@public.gmane.org>
---
Changes in v2:
* Split from commit adding actual code
.../devicetree/bindings/sound/atmel_ac97c.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/atmel_ac97c.txt
diff --git a/Documentation/devicetree/bindings/sound/atmel_ac97c.txt b/Documentation/devicetree/bindings/sound/atmel_ac97c.txt
new file mode 100644
index 0000000..f3ee0f0
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/atmel_ac97c.txt
@@ -0,0 +1,20 @@
+* Atmel AC97 controller
+
+Required properties:
+ - compatible: "atmel,atmel_ac97c"
+ - reg: Address and length of the register set for the device
+ - interrupts: Should contain AC97 interrupt
+ - ac97-gpios: Please refer to soc-ac97link.txt, only ac97-reset is used
+Optional properties:
+ - pinctrl-names, pinctrl-0: Please refer to pinctrl-bindings.txt
+
+Example:
+sound@fffa0000 {
+ compatible = "atmel,atmel_ac97c";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ac97>;
+ reg = <0xfffa0000 0x4000>;
+ interrupts = <18 IRQ_TYPE_LEVEL_HIGH 5>;
+
+ ac97-gpios = <&pioB 0 0 &pioB 2 0 &pioC 29 GPIO_ACTIVE_LOW>;
+};
--
2.2.0
--
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^ permalink raw reply related [flat|nested] 2+ messages in thread